JPH01239287A - 折畳み可能なはしご - Google Patents

折畳み可能なはしご

Info

Publication number
JPH01239287A
JPH01239287A JP63251022A JP25102288A JPH01239287A JP H01239287 A JPH01239287 A JP H01239287A JP 63251022 A JP63251022 A JP 63251022A JP 25102288 A JP25102288 A JP 25102288A JP H01239287 A JPH01239287 A JP H01239287A
Authority
JP
Japan
Prior art keywords
ladder
crosspiece
members
point
center
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP63251022A
Other languages
English (en)
Japanese (ja)
Inventor
Dieter Collet
デイーター・コレート
Emil Freiwald
エーミール・フライヴアルト
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of JPH01239287A publication Critical patent/JPH01239287A/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding

Landscapes

  • Ladders (AREA)
  • Steps, Ramps, And Handrails (AREA)
JP63251022A 1987-10-06 1988-10-06 折畳み可能なはしご Pending JPH01239287A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3733702.5 1987-10-06
DE19873733702 DE3733702A1 (de) 1987-10-06 1987-10-06 Zusammenfaltbare steigleiter

Publications (1)

Publication Number Publication Date
JPH01239287A true JPH01239287A (ja) 1989-09-25

Family

ID=6337688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63251022A Pending JPH01239287A (ja) 1987-10-06 1988-10-06 折畳み可能なはしご

Country Status (9)

Country Link
US (1) US4842099A (enrdf_load_stackoverflow)
EP (1) EP0310884B1 (enrdf_load_stackoverflow)
JP (1) JPH01239287A (enrdf_load_stackoverflow)
KR (1) KR890006949A (enrdf_load_stackoverflow)
AT (1) ATE75293T1 (enrdf_load_stackoverflow)
AU (1) AU615480B2 (enrdf_load_stackoverflow)
CA (1) CA1296688C (enrdf_load_stackoverflow)
DE (2) DE3733702A1 (enrdf_load_stackoverflow)
ES (1) ES2032918T3 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112572562A (zh) * 2020-12-05 2021-03-30 乐山职业技术学院 一种书籍转运器

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158151A (en) * 1992-01-21 1992-10-27 Chang Wan Li Bidirectionally foldable step ladder
US5195610A (en) * 1992-05-04 1993-03-23 Wan Li Chang Bidirectionally foldable step ladder
US5170862A (en) * 1992-05-08 1992-12-15 Chang Wan Li Locking device for bidirectionally foldable step ladders
AU667980B2 (en) * 1992-11-26 1996-04-18 Michael Mulawa Toy surfing device
DE9406506U1 (de) * 1994-04-19 1995-08-17 Kunz, Markus, 66646 Marpingen Treppe, insbesondere Dachboden-Treppe
US6536558B2 (en) 2001-02-16 2003-03-25 Harold E. Price Folding ladder
FR2928393B1 (fr) * 2008-03-07 2015-07-24 Larbaletier Plate-forme d'observation pliable et procede de montage

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US610284A (en) * 1898-09-06 schubert
US958732A (en) * 1908-03-06 1910-05-24 Dennis Novelty Ladder Company Ladder.
GB191010778A (en) * 1910-05-02 1910-09-15 Flora Williams Smith Improvements in Foldable Ladders.
US1371125A (en) * 1918-01-05 1921-03-08 Jr Herman Frank Speckman Folding ladder
US2670120A (en) * 1949-05-16 1954-02-23 Sanguineti Emanuele Collapsible ladder, double ladder, and stepladder
FR1139461A (fr) * 1955-12-02 1957-07-01 échelle articulée
US2981364A (en) * 1959-07-13 1961-04-25 Webber Jack Folding ladder
BE587304A (fr) * 1959-10-21 1960-05-30 Battista Lamberti Echelle à éléments repliables les uns sur les autres.
US3084760A (en) * 1960-01-18 1963-04-09 Lamberti Battista Stepladder with folding elements
AT239066B (de) * 1963-05-16 1965-03-10 Johann Tretina Als Anlege- oder Stehleiter verwendbare Leiter
FR1403008A (fr) * 1964-04-27 1965-06-18 Perfectionnements aux échelles et escaliers portatifs analogues
FR2428138A1 (fr) * 1978-06-09 1980-01-04 Stoltz Gerard Echelle pliante
DE3320519A1 (de) * 1983-06-07 1984-12-13 Karl 4400 Münster Kemper Faltleiter
US4560030A (en) * 1984-05-04 1985-12-24 Metarplastic S.P.A. Folding ladder
IT8552842U1 (it) * 1985-01-14 1986-07-14 Pro Cord Srl Scala a pioli pieghevole a tre montanti

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112572562A (zh) * 2020-12-05 2021-03-30 乐山职业技术学院 一种书籍转运器
CN112572562B (zh) * 2020-12-05 2021-11-23 乐山职业技术学院 一种书籍转运器

Also Published As

Publication number Publication date
DE3733702A1 (de) 1989-05-03
EP0310884A1 (de) 1989-04-12
ES2032918T3 (es) 1993-03-01
KR890006949A (ko) 1989-06-17
ATE75293T1 (de) 1992-05-15
CA1296688C (en) 1992-03-03
DE3870386D1 (de) 1992-05-27
AU2340688A (en) 1989-04-06
US4842099A (en) 1989-06-27
AU615480B2 (en) 1991-10-03
EP0310884B1 (de) 1992-04-22
DE3733702C2 (enrdf_load_stackoverflow) 1990-10-31

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